Thesaurus.com
Dictionary.com
Definitions

complacency

[kuhm-pley-suhn-see] / kəmˈpleɪ sən si /
NOUN
contentment
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This was a measure of how low defence and security had fallen in the nation's priorities - and a measure, too, of the complacency into which much of Europe had sunk.

From BBC • Mar. 27, 2026

Mr. Mahajan’s “The Complex” is an anguished, intelligent study of ambition decoupled from principles, and of the complacency and fear that allows it to thrive.

From The Wall Street Journal • Mar. 11, 2026

My mental default is that the world is neutral-good, and that may be why I prefer movies with active villains scaring me out of my complacency.

From Los Angeles Times • Mar. 11, 2026

Collectively, these developments serve as a warning against complacency.

From Barron's • Mar. 7, 2026

Are we willing to tolerate ignorance and complacency in matters that affect the entire human family?

From "Cosmos" by Carl Sagan